the answer is B.extinction can be related to a failure to adapt to changes in the environment.
Answer:
hydrogen
Explanation:
the more hydrogen ions then lower the ph and the fewer hydrogen lions the higher the ph.
Answer: B. Genes
Explanation:
Got it right on the test.
In meiosis, the chromosome pairs do the crossing over where there is an exchange of genetic material between them and because of it the
chromatids held together by the centromere are no longer the same.